FOC_25_Epidendroidea..

● Tree trunks in forests; 1300–1800 m. C and S Taiwan.
78. Bulbophyllum kuanwuense S. W. Chung & T. C. Hsu,
Taiwania 51: 139. 2006 [“kuanwuensis”].
台南卷瓣兰 tai nan juan ban lan
Rhizome long creeping, ca. 2 mm in diam. Pseudobulbs 1–
2 cm apart on rhizome, globose to ovoid, 0.7–1 cm, 6–9 mm in
diam., with a terminal leaf. Leaf ± sessile; blade elliptic to
obovate, 1.8–4 × 1–1.5 cm, apex rounded to slightly retuse.
Scape from base of pseudobulb, 2–3 cm; umbel 3–7-flowered;
peduncle stout, with 2 scalelike sheaths. Pedicel and ovary 4–5
mm. Flowers with dorsal sepal reddish orange, tinged white
near base and with red-brown veins, lateral sepals reddish to
orange, petals reddish, lip orange. Dorsal sepal concave, ovate,
6–7 × 3–3.5 mm, margins white ciliate, apex acute; lateral sepals
linear-oblong, 12–14 × 2–3 mm, slightly twisted near base,
with their upper and lower edges often loosely adhering, margins
ciliolate, apex obtuse. Petals ovate, ca. 3.5 × 1.5–2 mm,
margins long white ciliate, apex acute; lip recurved, ovate-triangular,
2–2.5 mm, adaxially deeply grooved and papillose near
apex and base. Column subterete, with a distinct foot, conspicuously
winged; stelidia slender; anther cap subglobose. Fl. Apr.
● Chamaecyparis forests on mountain ridges; ca. 2000 m. S
Taiwan.
This species is close to Bulbophyllum albociliatum.
79. Bulbophyllum pecten-veneris (Gagnepain) Seidenfaden,
Dansk Bot. Ark. 29(1): 37. 1974 [“pectenveneris”].
斑唇卷瓣兰 ban chun juan ban lan
Cirrhopetalum pecten-veneris Gagnepain, Bull. Soc. Bot.
France 78: 6. 1931; Bulbophyllum flaviflorum (T. S. Liu & H. J.
Su) Seidenfaden; C. flaviflorum T. S. Liu & H. J. Su; C. miniatum
Rolfe.
Rhizome creeping, 1–2 mm in diam., rooting from base of
pseudobulbs. Pseudobulbs 5–10 mm apart on rhizome, ovoid,
5–12 mm, 5–10 mm in diam., with a terminal leaf. Leaf subsessile;
blade elliptic, oblong-lanceolate, or ovate, 1–6 × 0.7–
1.8 cm, thickly leathery, apex obtuse or sometimes retuse. Scape
from base of pseudobulb, erect, ca. 10 cm; umbel 3–9-flowered;
peduncle slender, sparsely with 2 or 3 tubular sheaths; floral
bracts lanceolate, small, 3–4 mm. Pedicel and ovary 7–10 mm,
slender. Flowers yellowish green or yellow slightly tinged with
brown. Dorsal sepal ovate, concave, ca. 5 × 2.5 mm, margin
fimbriate-ciliate, apex long caudate; lateral sepals narrowly lanceolate,
35–50 × ca. 2.5 mm, twisted near base, their upper and
lower edges connate to each other forming a long-cuspidate
tube, with their apices separate, apex long cuspidate. Petals
obliquely ovate, 2.5–3 × ca. 1.5 mm, base ca. 2/5 width adnate
to column foot, margins fimbriate-ciliate especially in apical
half, apex acute; lip recurved, ligulate, ca. 2.5 mm, fleshy,
nearly glabrous, subacute. Column ca. 2 mm; stelidia subulate,
ca. 1 mm; foot upcurved, ca. 1.5 mm, with free part ca. 0.5 mm;
anther cap papillate margined. Fl. Apr–Sep.
Tree trunks or rocks in forests; below 1600 m. S Anhui, N Fujian,
Guangxi, Hainan, Hong Kong, W Hubei, C and S Taiwan [Laos, Vietnam].
EPIDENDROIDEAE
433
80. Bulbophyllum longibrachiatum Z. H. Tsi, Bull. Bot. Res.,
Harbin 1(1–2): 115. 1981.
长臂卷瓣兰 chang bi juan ban lan
Bulbophyllum purpureifolium Averyanov; Cirrhopetalum
longibrachiatum (Z. H. Tsi) Garay, Hamer & Siegerist.
Rhizome stout, ca. 6 mm in diam., often branched, rooting
from base of pseudobulbs. Pseudobulbs well spaced, erect, narrowly
ovoid, 4–4.3 cm, ca. 1 cm in diam., with a terminal leaf.
Petiole 2–3 cm; leaf blade elliptic, large, 12.5–15.5 × 3.5–5 cm,
thickly leathery, base contracted into petiole, apex obtuse. Scape
from base of pseudobulb, erect, 15–28 cm; umbel 3- or 4-flowered;
peduncle 2–3.5 mm in diam., sparsely with 3 or 4 sheaths
ca. 1 cm; floral bracts lanceolate, ca. 9 mm, apex acuminate.
Pedicel and ovary ca. 2 cm. Flowers pale green, tinged with
purple. Dorsal sepal ovate, concave, ca. 15 × 9 mm, margin
fimbriate in apical half, apex acuminate; lateral sepals narrowly
lanceolate, ca. 35 × 6 mm, twisted near base, their upper and
lower edges connate to each other forming a tube, with their
apices separate, apex acuminate. Petals falcate-lanceolate, ca.
10 × 4 mm, margins densely fimbriate, apex with a long awn
ca. 0.8 mm; lip strongly reflexed, lanceolate, ca. 1 cm, base ±
conduplicate, base attached to end of column foot by a mobile
joint, slightly ciliate, apex acute. Column ca. 5 mm, with triangular,
enlarged wings above; foot ca. 10 mm, with free part
upcurved, ca. 5 mm; stelidia horizontally spreading, narrowly
lanceolate, ca. 5 mm, base slightly twisted; anther cap comblike
on apical margin. Fl. Nov.
Tree trunks in forests; 1300–1600 m. SE Yunnan [N Vietnam].
81. Bulbophyllum taiwanense (Fukuyama) K. Nakajima, Biol.
Mag. Okinawa 10: 36. 1973.
台湾卷瓣兰 tai wan juan ban lan
Cirrhopetalum taiwanense Fukuyama, Bot. Mag. (Tokyo)
49: 761. 1935.
Rhizome creeping, 1–2 mm in diam., rigid, rooting from
base of pseudobulbs. Pseudobulbs 5–15 mm apart on rhizome,
usually ovoid, 6–12 mm, 4–8 mm in diam., ± longitudinally
striped, with a terminal leaf. Leaf shortly petiolate; blade narrowly
oblong, 3–5 × 1–2 cm, fleshy, apex obtuse and retuse.
Scape from base of pseudobulb, 6–10 cm; raceme shortened,
umbel-like, 6–10 mm, densely 5–8-flowered; peduncle yellowish
green, slender, longitudinally striped, sparsely with
several brown sheaths ca. 5 mm; floral bracts lanceolate, ca. 3
mm, apex acuminate. Pedicel and ovary ca. 1 cm. Flowers not
widely opening, yellowish red. Dorsal sepal ovate-lanceolate,
concave, 6–8 × ca. 3 mm, apex acuminate, ciliate; lateral sepals
free, divergent, obliquely lanceolate, 13–15 × ca. 2 mm, margins
incurved in apical half, apex obtuse, sometimes ciliate. Petals
ovate, ca. 5 × 2 mm, membranous, apex acute, ciliate; lip
slightly reflexed, hornlike, ca. 3 mm, fleshy, adaxially with 1
longitudinal groove, base dilated and attached to end of column
foot, apex obtuse. Column subcylindric, ca. 1.5 mm; foot
curved, ca. 1.5 mm; stelidia linear. Fl. Apr–May.
● Tree trunks in forests; below 1000 m. S Taiwan.